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Finding the Fourth Proportional to 99,763.20, 149,644.80 and 49,768.56

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Solution

The fourth proportional to 99,763.20, 149,644.80 and 49,768.56 is: 74,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,763.20 : 149,644.80 = 49,768.56 : x
  2. Step 2: Convert to fraction form
    99,763.20/149,644.80 = 49,768.56/x
  3. Step 3: Cross multiply
    99,763.20x = 149,644.80 × 49,768.56
  4. Step 4: Simplify right side
    99,763.20x = 7,447,606,207.49
  5. Step 5: Solve for x
    x = 7,447,606,207.49/99,763.20
  6. Step 6: Final answer
    x = 74,652.84

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